Beyerdynamic Quinta MU 31 Manual&Nbsp;

Quinta MU 31
Digital Wireless Delegate Microphone Unit
Order # 486.434
FEATURES
• Fully-digital audio and control
• Direct Sequence Spread Spectrum (DSSS) provides high
immunity from interference and unauthorised listening, even
when using other radio systems
• Wireless transmission with integrated True Diversity antenna
technology for transmitting and receiving
• Three selectable frequency bands : 2.4 / 5.2 / 5.8 GHz
• Automatic or manual silent change to an interference-free
frequency response acc. to EN 3000328 ETSI
• Automatic recognition of interferences in all frequency ranges
• Processor-controlled and automatic audio channel allocation of
the microphone units
• Digital 128-bit encryption and additional 24-bit PIN code
against unauthorised listening
• Revoluto Microphone Array Technology
• Corridor characteristic
• LED strips on both sides of the housing indicate that the micro-
phone unit is in ready-to-talk mode
• Touch buttons with backlit illumination in 3 colours and braille
• Microphone button to switch the microphone on / off
• 2 buttons to adjust the level on the headphone output
• Voice-controlled activation of the microphone possible
• High-quality aluminium housing with a non-glare matt black
coating of Alexit soft-touch paint (on the rear) and touch
buttons (on the front)
• Integrated two-way speakers
• The loudspeaker is turned off when the microphone is
activated
• Adjustable mini stereo jack output (3.5 mm) as documentation
or headphones
• Parameters can be programmed via the control unit and the
appropriate configuration software
• Automatic Power OFF when the control unit is in the stand-by
mode or switched off
• Power on LED
• Charging status of the battery can be monitored and
transmitted to the control unit
• Operating control LED indicates the status when the minimum
capacity is too low
• Charging contacts for charging the integrated rechargeable
batteries in the charging unit
• Reliable processor-controlled charging electronics avoids
memory effect and ensures immediate use of the microphone
units
• LED strip on the side of the housing indicates the charging
status and the power on LED on the rear indicates the use of
an external power adapter
• Maximum charging time of 2.5 hours when the battery (NiMH)
is completely empty
• DC connection for battery recharging or powering via external
power adapter
• Minimum operating time 20 hours
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beyerdynamic GmbH & Co. KG
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
info@beyerdynamic.de | www.beyerdynamic.com
For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Quinta MU31 (01.13)

Beyerdynamic Quinta MU 31 Specifications

General

Battery Life	Up to 20 hours
Charging Time	Approx. 3 hours
Polar Pattern	Cardioid
RF Output Power	10 mW
Max. SPL	120 dB
Operating Range	Up to 100 m (free field)
Microphone Type	Electret condenser
Encryption	AES 128-bit
Power Supply	Rechargeable lithium-ion battery